I believe the purpose of the USB cable connect/software is to perform a (controlled) shut down of the computer in the case of a prolonged power outage in which the APC unit's battery are becoming exhausted. The software/USB connection is not necessary for the unit to provide automatic backup power. >Hello All, > >I have just purchased an APC 600va/360 Watt Battery Backup for use >with my G4 w/upgrade powerlogix 1.8Ghz processor. Is anyone familiar >with this APC "PowerChute" Software? The instructions for using the >Power backup are simple enough, why would I want to monitor this >unit with this software? It obviously works (the backup unit) >without connecting it to my USB port so "Must I use this >software/USB connection"? Thanks for your insight into this matter! > >Tom >_______________________________________________ >G4 mailing list >G4 at listserver.themacintoshguy.com >http://listserver.themacintoshguy.com/mailman/listinfo/g4 > >Listmom is trying to clean out his closets! Vintage Mac and random stuff: > http://search.ebay.com/_W0QQsassZmacguy1984